Updated: use vector constructor init.

lastseen.cpp

@@ -1,11 +1,15 @@
 #include "lastseen.h"
 
-LastSeen::LastSeen(int max) {
+// Initialized tracker with max count of item -1.
+
+LastSeen::LastSeen(int max) : tracker(max, -1) {
   this->max = max;
 
   tracker.reserve(max);
+  /*
   while ((int)tracker.size() < max)
       tracker.insert(tracker.begin(), -1);
+  */
 }
 
 /*
@@ -15,14 +19,12 @@ int LastSeen::bestsize(int max_items) {
 }
 */
 
-int LastSeen::getmax(void) {
-  return this->max;
-}
+int LastSeen::getmax(void) { return this->max; }
 
-LastSeen::~LastSeen() {  };
+LastSeen::~LastSeen(){};
 
 bool LastSeen::seen_before(int this_one) {
-  for (auto it = this->tracker.begin(); it != this->tracker.end(); ++it ) {
+  for (auto it = this->tracker.begin(); it != this->tracker.end(); ++it) {
     if (*it == this_one)
       return true;
   }
@@ -33,6 +35,4 @@ bool LastSeen::seen_before(int this_one) {
   return false;
 }
 
-int LastSeen::best_guess(int max) {
-  return max / 2;
-}
+int LastSeen::best_guess(int max) { return max / 2; }